compatible Maintenance box C9344 is a user replaceable component. It is used to collect waste ink produced during printing process. If chip of maintenance box reached its pre-programmed value, printer will alert you the maintenance box is to be changed. This item is a compatible maintenance box ( parts number : C9344 ). contain 2 maintenance box This suits following printers: XP-3100 XP-4100 XP-4105 WF-2810 WF-2830 WF-2850 WF-2851 XP3200 XP4200 XP4205 WF2910 WF2930 WF2950 Our Compatible Cartridges are designed to be the economical replacements for your OEM (Original Equipment Manufacturer) ink cartridges. Our compatible cartridges are manufactured by a highly qualified (ISO 9001 certified) and respected manufacturer with strict quality control and innovative technology. Our Compatible Cartridges are equipped with chips. You just remove air seal label when you install ink cartridge in printer and you are ready to print. Save your Time and Money! QUALITY:Our premium compatible Ink cartridges are made using a